Salt Lake County (Salt Lake City)
September
Weather in Salt Lake County for September 2025
Your guide to Salt Lake County weather in September - trends and predictions
In general, the average temperature in Salt Lake County at the beginning of September is 29.6 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 28 °F by the end of September.
Salt Lake County sees moderate rainfall in September, averaging 8 rainy days.
- New! Chat with our AI weatherman - it’s amazing and free.
22
Dry days
8
Rainy days
0
Snow days
27°/11°
Temperatures
19 km/h
Avg max wind
39 %
Avg humidity
Salt Lake County in September average weather
Move between months or click on a day
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2  31° | 3  29° | 4 24° | 5  27° | 6 31° | 7 32° |
| 8 31° | 9 31° | 10 30° | 11 31° | 12  23° | 13 25° | 14 27° |
| 15 28° | 16 27° | 17 24° | 18  24° | 19  26° | 20 26° | 21 21° |
| 22 21° | 23 21° | 24 25° | 25 31° | 26 30° | 27 29° | 28 27° |
| 29 30° | 30 24° |
You can click on date
Access Salt Lake County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Salt Lake County
See the weather trend as well as the moving average line
September weather day by day
Click on a date for more information
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 | Patchy light rain with thunder | 33° /16° | 8.1 mm | 8 | |
| Sept. 2 | Cloudy | 31° /16° | 2.5 mm | 7 | |
| Sept. 3 | Partly cloudy | 29° /16° | 3.6 mm | 7 | |
| Sept. 4 | Patchy light rain with thunder | 24° /13° | 1.1 mm | 6 | |
| Sept. 5 | Sunny | 27° /10° | 0 mm | 7 | |
| Sept. 6 | Sunny | 31° /13° | 0 mm | 8 | |
| Sept. 7 | Sunny | 32° /15° | 0 mm | 8 | |
| Sept. 8 | Sunny | 31° /15° | 0 mm | 8 | |
| Sept. 9 | Sunny | 31° /15° | 0.2 mm | 8 | |
| Sept. 10 | Sunny | 30° /15° | 0.6 mm | 7 | |
| Sept. 11 | Cloudy | 31° /13° | 0 mm | 7 | |
| Sept. 12 | Overcast | 23° /11° | 1.1 mm | 5 | |
| Sept. 13 | Cloudy | 25° /10° | 0 mm | 6 | |
| Sept. 14 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 15 | Sunny | 28° /12° | 0.5 mm | 7 | |
| Sept. 16 | Sunny | 27° /12° | 0 mm | 7 | |
| Sept. 17 | Sunny | 24° /11° | 0 mm | 6 | |
| Sept. 18 | Patchy rain possible | 24° /11° | 0.4 mm | 6 | |
| Sept. 19 | Thundery outbreaks possible | 26° /9° | 0 mm | 6 | |
| Sept. 20 | Patchy rain possible | 26° /10° | 0.3 mm | 6 | |
| Sept. 21 | Patchy rain possible | 21° /9° | 0.6 mm | 5 | |
| Sept. 22 | Patchy light rain with thunder | 21° /8° | 2.9 mm | 5 | |
| Sept. 23 | Sunny | 21° /6° | 0 mm | 6 | |
| Sept. 24 | Cloudy | 25° /7° | 0 mm | 7 | |
| Sept. 25 | Sunny | 31° /8° | 0 mm | 8 | |
| Sept. 26 | Sunny | 30° /14° | 0 mm | 8 | |
| Sept. 27 | Sunny | 29° /11° | 0 mm | 8 | |
| Sept. 28 | Partly cloudy | 27° /10° | 0 mm | 7 | |
| Sept. 29 | Sunny | 30° /12° | 0 mm | 8 | |
| Sept. 30 | Overcast | 24° /12° | 0 mm | 6 | |
| Next | |||||
Important Notice
Our weather forecast for Salt Lake County in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Salt Lake County forecast closer to your planned date for the most up-to-date weather information.
Salt Lake County in September - FAQ
What are the expected maximum and minimum temperatures in Salt Lake County during September?
Enjoy moderate daytime temperatures of up to 27° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Salt Lake County during September?
In September, Salt Lake County can expect light to moderate rainfall, totaling 36.3 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Salt Lake County during September?
The average wind speed in Salt Lake County during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Salt Lake County
Explore the daily rainfall trends and prepare for Salt Lake Countys September weather 💧
UV exposure in Salt Lake County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
Top locations in Salt Lake County
Select a location for an accurate weather forecast
More Locations Quick links
You are here
Where is Salt Lake County?Get accurate weather forecasts for Salt Lake County, located at latitude 40.761 and longitude -111.891. Stay updated with localized weather information tailored for Salt Lake County.
Found a mistake?
We appreciate your attention to details. Tell us here.